std::chrono...day_last::ok(3) C++ Standard Libary std::chrono...day_last::ok(3) NAME std::chrono::month_weekday_last::ok - std::chrono::month_weekday_last::ok Synopsis constexpr bool ok() const noexcept; (since C++20) Checks if the contained month and weekday_last objects are valid. Return value month().ok() && weekday_last().ok() Example // Run this code #include <chrono> #include <iostream> int main() { std::cout << std::boolalpha; auto mwdl{std::chrono::March/std::chrono::Wednes- day[std::chrono::last]}; std::cout << (mwdl.ok()) << ' '; mwdl = {std::chrono::month(3)/std::chrono::week- day(42)[std::chrono::last]}; std::cout << (mwdl.ok()) << '\n'; } Output: true false http://cppreference.com 2024.06.10 std::chrono...day_last::ok(3)
NAME | Synopsis | Return value | Example | Output:
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